Welcome to The Document Foundation! – The Document Foundation

It is an independent self-governing meritocratic Foundation, created by leading members of the OpenOffice.org Community.
It continues to build on the foundation of ten years' dedicated work by the OpenOffice.org Community.
It was created in the belief that the culture born of an independent Foundation brings out the best in contributors and will deliver the best software for users.
It is open to any individual who agrees with our core values and contributes to our activities.
It welcomes corporate participation, e.g. by sponsoring individuals to work as equals alongside other contributors in the community.

OMDoc

OMDoc is a markup format and data model for Open Mathematical Documents.

OMDoc serves as semantics-oriented representation format and ontology language for mathematical knowledge. Format, Distribution, Examples

The current stable version is OMDoc1.2 (see the OMDoc1.2 Book), but work on OMDoc1.6, the first step towards OMDoc2.0 has begun.

OMDoc.org serves as a community portal for the OMDoc community and as a clearinghouse for information about OMDoc-based projects and extensions to other sciences.

The CoverPages | Online ressource for markup language technologies

ABOUT

The Cover Pages is a comprehensive, online reference collection supporting the XML family of markup language standards, XML vocabularies, and related structured information standards. Edited by Robin Cover since 1986, this public access knowledgebase promotes and enables the use of open, interoperable, standards-based solutions which protect digital information and enhance the quality of data processing.

The Cover Pages web site provides reference material on enabling technologies compatible with SGML/XML descriptive markup language standards and applications: object modeling, semantic nets, ontologies, authority lists, document production systems, and conceptual modeling. It also supplies references for social aspects of distributed and public sector concerns: privacy, open standards, patented technology embedded in standards, etc. NB. This statement and the resource itself are works in progress, subject to continuous revision.

OASIS OpenDocument Essentials—Using OASIS OpenDocument XML | Open Document

This book shows you how to take advantage of the OpenDocument format. In addition to explaining the basics, it includes examples showing how to extract information from, transform, and programmatically create OpenDocument files. This book is a work in progress written by J. David Eisenberg for O’Reilly & Associates and submitted to an open review process. The content is licensed under the Free Software Foundation’s GNU Free Documentation License.